4635220 has 24 divisors (see below), whose sum is σ = 10307304. Its totient is φ = 1744896.

The previous prime is 4635181. The next prime is 4635223. The reversal of 4635220 is 225364.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1373584 + 3261636 = 1172^2 + 1806^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4635191 and 4635200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4635223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6477 + ... + 7156.

It is an arithmetic number, because the mean of its divisors is an integer number (429471).

Almost surely, 2^4635220 is an apocalyptic number.

It is an amenable number.

4635220 is an abundant number, since it is smaller than the sum of its proper divisors (5672084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4635220 is a wasteful number, since it uses less digits than its factorization.

4635220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13659 (or 13657 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 4635220 is about 2152.9561073092. The cubic root of 4635220 is about 166.7337241273.

The spelling of 4635220 in words is "four million, six hundred thirty-five thousand, two hundred twenty".